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31 January, 12:00

What is the lcm of 16 and 20

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Answers (2)
  1. 31 January, 15:00
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    The least common multiple is 2

    16 1,2,4,8,16

    20 1,2,4,5,10,20
  2. 31 January, 15:47
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    LCM stands for 'Lowest Common Multiple' which basically means "what's the smallest number that has the numbers in its multiplication table, excluding 1."*

    So, the only numbers that are LCMs of 16 and 20 are 2 and 4. The lowest one is 2, so that's your answer.

    * It's actually a little more complex than that, but I guess that was the easiest way to put it.
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